Turn off dump/emit routines when building minimal subzero.

src/IceInst.h

 //===- subzero/src/IceInst.h - High-level instructions ----------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file declares the Inst class and its target-independent
@@ skipping 823 matching lines @@
     assert(Kind >= Target);
   }
   ~InstTarget() override {}
 };
 
 } // end of namespace Ice
 
 // Override the default ilist traits so that Inst's private ctor and
 // deleted dtor aren't invoked.
 template <>
-struct llvm::ilist_traits<Ice::Inst> : public llvm::ilist_default_traits<
-                                           Ice::Inst> {
+struct llvm::ilist_traits<Ice::Inst>
+    : public llvm::ilist_default_traits<Ice::Inst> {
   Ice::Inst *createSentinel() const {
     return static_cast<Ice::Inst *>(&Sentinel);
   }
   static void destroySentinel(Ice::Inst *) {}
   Ice::Inst *provideInitialHead() const { return createSentinel(); }
   Ice::Inst *ensureHead(Ice::Inst *) const { return createSentinel(); }
   static void noteHead(Ice::Inst *, Ice::Inst *) {}
   void deleteNode(Ice::Inst *) {}
 
 private:
   mutable ilist_half_node<Ice::Inst> Sentinel;
 };
 
 #endif // SUBZERO_SRC_ICEINST_H